JezK
Edit File: output-method.rb
# frozen_string_literal: false # # output-method.rb - output methods used by irb # $Release Version: 0.9.6$ # $Revision$ # by Keiju ISHITSUKA(keiju@ruby-lang.org) # # -- # # # require "e2mmap" module IRB # An abstract output class for IO in irb. This is mainly used internally by # IRB::Notifier. You can define your own output method to use with Irb.new, # or Context.new class OutputMethod extend Exception2MessageMapper def_exception :NotImplementedError, "Need to define `%s'" # Open this method to implement your own output method, raises a # NotImplementedError if you don't define #print in your own class. def print(*opts) OutputMethod.Raise NotImplementedError, "print" end # Prints the given +opts+, with a newline delimiter. def printn(*opts) print opts.join(" "), "\n" end # Extends IO#printf to format the given +opts+ for Kernel#sprintf using # #parse_printf_format def printf(format, *opts) if /(%*)%I/ =~ format format, opts = parse_printf_format(format, opts) end print sprintf(format, *opts) end # Returns an array of the given +format+ and +opts+ to be used by # Kernel#sprintf, if there was a successful Regexp match in the given # +format+ from #printf # # % # <flag> [#0- +] # <minimum field width> (\*|\*[1-9][0-9]*\$|[1-9][0-9]*) # <precision>.(\*|\*[1-9][0-9]*\$|[1-9][0-9]*|)? # #<length modifier>(hh|h|l|ll|L|q|j|z|t) # <conversion specifier>[diouxXeEfgGcsb%] def parse_printf_format(format, opts) return format, opts if $1.size % 2 == 1 end # Calls #print on each element in the given +objs+, followed by a newline # character. def puts(*objs) for obj in objs print(*obj) print "\n" end end # Prints the given +objs+ calling Object#inspect on each. # # See #puts for more detail. def pp(*objs) puts(*objs.collect{|obj| obj.inspect}) end # Prints the given +objs+ calling Object#inspect on each and appending the # given +prefix+. # # See #puts for more detail. def ppx(prefix, *objs) puts(*objs.collect{|obj| prefix+obj.inspect}) end end # A standard output printer class StdioOutputMethod<OutputMethod # Prints the given +opts+ to standard output, see IO#print for more # information. def print(*opts) STDOUT.print(*opts) end end end